Panasonic KX-TD500 Features Manual page 105

Card Type The status of Trunk Busy-out set to "On"
LCOT Idle status
(Default)
Loop OFF
ELCOT Idle status
(Default)
Loop OFF
GCOT Idle status
(Default)
Loop OFF +
Not connected
to Ring FG
DID Idle status
(Fixed)
Features Guide
The Specification of Trunk Busy-out On
Busy status (the
status of
grabbing a CO
line)
Loop ON
Busy status (the
status of
grabbing a CO
line)
Loop ON
Busy status (the During a
status of conversation
grabbing a CO
Loop ON +
line)
Not
Loop OFF + connected to
Ring FG
Connected to
Ring FG
Note
The busy status depends on the Central
Office connected to the PBX.
The DID card is a card for only
incoming call. It is assignable for Trunk
Busy-out, but DID call comes in on
even after the setup because the DC
power (On / Off) to the Central Office
from a DID card cannot be controlled.
General Features
105